What’s Vulnerable › Vulnerabilities
CVE-2021-40845
- Severity: high (CVSS 8.8 v3.1)
- Exploited in the wild: not listed in CISA KEV
- EPSS: 4.7% probability of exploitation in the next 30 days
- Public exploit or detection template: yes
- Published: 2021-09-15 · updated 2026-06-17
- Weakness: CWE-434
Description
The web part of Zenitel AlphaCom XE Audio Server through 11.2.3.10, called AlphaWeb XE, does not restrict file upload in the Custom Scripts section at php/index.php. Neither the content nor extension of the uploaded files is checked, allowing execution of PHP code under the /cmd directory.
Affected products
- zenitel alphacom_xe_audio_server: through 11.2.3.10
References
- http://packetstormsecurity.com/files/164149/Zenitel-AlphaCom-XE-Audio-Server-11.2.3.10-Shell-Upload.html
- http://packetstormsecurity.com/files/164160/Zenitel-AlphaCom-XE-Audio-Server-11.2.3.10-Shell-Upload.html
- https://github.com/ricardojoserf/CVE-2021-40845
- https://ricardojoserf.github.io/CVE-2021-40845/
- http://packetstormsecurity.com/files/164149/Zenitel-AlphaCom-XE-Audio-Server-11.2.3.10-Shell-Upload.html
- http://packetstormsecurity.com/files/164160/Zenitel-AlphaCom-XE-Audio-Server-11.2.3.10-Shell-Upload.html
- https://github.com/ricardojoserf/CVE-2021-40845
- https://ricardojoserf.github.io/CVE-2021-40845/
Get alerted when CVE-2021-40845 or the next vulnerability affects your stack